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Clinical trials · failure tracking
Oncology studies whose overall status is TERMINATED, WITHDRAWN or SUSPENDED on ClinicalTrials.gov, with the stop reason exactly as the registrant posted it. A category is attached only when an explicit keyword rule matches the text; CancerIndex never infers why a study stopped.
7 stopped studies mapped to Essential Thrombocythemia and descendants · 86% state a reason
Over the 7 studies matching the cancer, status and year filters (the category filter does not change this chart). Each study is counted once, in the first matching category; greyed bars are studies whose text matched no rule or was empty.
Computedrules ci-stop-reasons-v1 · keyword matching only
A category is assigned when one of its keywords appears in the posted text (case-insensitive, whole words). Rules are tested in this order and the first match wins; every match is kept in the API (reasonMatches).
| NCT | Title | Phase | Status | First posted | Lead sponsor | Why stopped (as posted) | Category |
|---|---|---|---|---|---|---|---|
| NCT03878199 | Testing the Effect of Taking Ruxolitinib and CPX-351 in Combination for the Treatment of… | Phase 1 / Phase 2 | terminated | Mar 18, 2019 | Ohio State University Comprehensive Cancer Center | The study was originally planned to assess four escalating DLs of ruxolitinib (upto 40 mg twice… | Enrollment / accrual |
| NCT03972943 | CPAP in Treating Obstructive Sleep Apnea in Patients With Polycythemia Vera or Essential… | Early Phase 1 | terminated | Jun 4, 2019 | University of Utah | Study terminated due to lack of funding | Funding |
| NCT01014546 | Arsenic Trioxide With or Without Ascorbic Acid in Treating Patients With Myelofibrosis | Phase 1 | terminated | Nov 17, 2009 | Roswell Park Cancer Institute | low accrual | Enrollment / accrual |
| NCT03121599 | 18F-FLT (PET/CT) in Pediatrics With Myeloproliferative Neoplasms | N/A | terminated | Apr 20, 2017 | Hamad Medical Corporation | Delayed study materials, poor recruitment | Enrollment / accrual |
| NCT01998828 | Safety and Efficacy of Momelotinib in Subjects With Polycythemia Vera or Essential… | Phase 2 | terminated | Dec 2, 2013 | Sierra Oncology LLC - a GSK company | not stated | Not stated |
| NCT02663648 | Cell Cycle Regulatory Gene Study in Patients With Myeloproliferative Disorders | — | withdrawn | Jan 26, 2016 | Shandong University | No eligible patient was enrolled. | Enrollment / accrual |
| NCT00522574 | A Safety Study of XL019 in Adults With Myelofibrosis | Phase 1 | terminated | Aug 29, 2007 | Exelixis | Due to emerging safety data | Safety / toxicity |
Stop reasons are registrant-reported free text and are displayed verbatim (truncated; hover for the full text). Categories come from explicit keyword rules and are never inferred from the study design, sponsor or outcome; a study that stopped for several reasons is filed under the first rule that matched. A TERMINATED status does not imply a negative result.
Data updated 22 days agoSource updated Apr 24, 2026source: clinicaltrials